引种规律是什么?应注意些什么问题?

题型:问答题 简答题

问题:

引种规律是什么?应注意些什么问题?

考点:农艺师考试作物遗传育种作物遗传育种题库
题型:问答题 简答题
Mr. and Mrs. Green were very worried about their son, Leo. He seemed to be dumb (哑的)  51 he was normal in every other way. Mr. and Mrs. Green tried everything to get him to 52 , but with no success.
When Leo was six years old, the best doctors in the town 53 him carefully, but could find nothing wrong. And he seemed to be smart. It was just that he 54 spoke.
"There might be something wrong with his 55 , and he doesn't know he's able to speak," one doctor said.
"But he can read and write," said Mr. Green. "We've written him notes, telling him that he can speak."
"It's certainly very 56 ," another doctor said. "Perhaps he'll be able to speak some day."
57 passed. Leo went to university. But he did not speak a 58 word.
Then one day, Leo was having a meal with his parents. Without any warning, he looked up from his 59 and said, "Pass me the salt, please."
Mr. and Mrs. Green were excited. "You spoke! You spoke!" they cried, "Why have you  60 so long to speak?"
"I didn't have anything to say," he said. "Until now everything was perfect. But you forgot to put salt in these potatoes."
小题1:
A.becauseB.whenC.thoughD.before
小题2:
A.speakB.walkC.playD.laugh
小题3:
A.taughtB.foundC.examinedD.asked
小题4:
A.neverB.oftenC.usuallyD.always
小题5:
A.backB.hairC.faceD.mind
小题6:
A.unfairB.strangeC.noisyD.quiet
小题7:
A.HoursB.WeeksC.MonthsD.Years
小题8:
A.goodB.rightC.singleD.new
小题9:
A.chairB.mealC.handsD.books
小题10:
A.sleptB.walkedC.servedD.waited
题型:问答题 简答题

腰麻术后让病人去枕平卧的主要目的是()

A.预防血压下降

B.预防头痛发生

C.防止呕吐、窒息

D.减轻伤口疼痛

E.预防伤口出血

题型:问答题 简答题

简述应如何在刑事诉讼中贯彻直接原则。

题型:问答题 简答题

出现晕厥情况较严重,不可以采取的措施是()

A.调节体位、使患者头高脚低

B.松解衣物、保证呼吸畅通

C.针刺人中

D.给氧

E.静脉推注高渗葡萄糖液

题型:问答题 简答题

火警主警告灯的功能是:()。

A.可指出具体着火部位

B.只表明有火警存在

C.表明有火警存在并指出具体着火部位

D.报警并实施灭火

更多题库